Features:
-Unlock way: Face, Fingperint, MF Card, Passcode, override key, more security.
-Passcode with anti-peek function.
-Multi-mode unlock ways, support card+passcode unlock mode.
-Remote control unlock mode optional.
-Add/delete users on the lock, no need software
-Self-detect, intelligent recognized module.
-PCB module procceed with waterproof, moistureproof, mildewproof
-Low voltage warning function
-Can set Passage mode.